Recovering galaxy cluster gas density profiles with XMM-Newton and Chandra I. Bartalucci, M. Arnaud, G. W. Pratt, A. Vikhlinin, E. Pointecouteau, W. R. Forman, C. Jones, P. Mazzotta and F. Andrade-Santos A&A, 608 (2017) A88 Published online: 11 December 2017 DOI: 10.1051/0004-6361/201731689